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Does anyone know what the difference is between these two types?
The docs only refer to Int but Xcode 6 auto complete only gives me Integer when I type. I started using Integer when porting code only to find that you have to cast between the two types.
For instance the following code gives the error Could not find an overload for '+' that accepts the supplied arguments.
var number1 : Int = 5 var number2 : Integer = 10 number1 + number2 
864
Int8 is an Integer type which can store positive and negative values. UInt8 is an unsigned integer which can store only positive values. You can easily convert UInt8 to Int8 but if you want to convert Int8 to UInt8 then make sure value should be positive.
An 8-bit signed integer value type.
Swift offers a collection of built-in data types which are string, integer, floating-point numbers, and Booleans. These data types are also found in most programming languages.
To create an Integer variable in Swift, declare the variable as Int, or assign any integer value to the variable, or assign new Int instance to the variable.
An Int is the type whilst an Integer is a protocol it implements.
You should be using Int in declarations, i.e:
var num: Int = 5 which is also the type that's inferred for integer literals when a type isn't specified, i.e:
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